1968071 has 4 divisors (see below), whose sum is σ = 2249232. Its totient is φ = 1686912.

The previous prime is 1968061. The next prime is 1968079. The reversal of 1968071 is 1708691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1968071 - 2¹⁰ = 1967047 is a prime.

It is a super-2 number, since 2×1968071² = 7746606922082, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140570 + ... + 140583.

It is an arithmetic number, because the mean of its divisors is an integer number (562308).

2^1968071 is an apocalyptic number.

1968071 is a deficient number, since it is larger than the sum of its proper divisors (281161).

1968071 is an equidigital number, since it uses as much as digits as its factorization.

1968071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281160.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1968071 is about 1402.8795386632. The cubic root of 1968071 is about 125.3180381277.

The spelling of 1968071 in words is "one million, nine hundred sixty-eight thousand, seventy-one".